I did this:
- wipe data/factory reset
- in mounts and storage format cache,data,system and sdcard
- install pa_n7100-2.53-08NOV2012-033717-Utacka.zip from external sd
- install gapps from external sd
- wipe cache
- in advanced wipe dalvik cache and fix permissions
- reboot system
still laggy sorry
(statu bar. tsf shell, trebuchet launcher, etc... really smooth 2 sec then lag.
it was better on $ d375aa8366dc9d88bd1c173389b45ff6 pa_n7100-2.53-04NOV2012-072503-Utacka.zip
on samsung rom no lag at all to compare.
add and edit apn work as well... It's my bad. sorry